AirHint found the following cheapest return flights from Montreal (YUL) to Zanzibar (ZNZ) in September 2025 (see full year).

Return flights

01 Sep - 08 Sep	SWISS
02 Sep - 09 Sep	Lufthansa
09 Sep - 16 Sep	Air Transat
07 Sep - 14 Sep	FrenchBee
15 Sep - 22 Sep	SWISS
23 Sep - 30 Sep	Air Transat
08 Sep - 15 Sep	KLM
25 Sep - 02 Oct	Porter Airlines (Canada) Ltd
26 Sep - 03 Oct	Qatar Airways
06 Sep - 13 Sep	Air Transat
13 Sep - 20 Sep	Air Transat
24 Sep - 01 Oct	Porter Airlines (Canada) Ltd
21 Sep - 28 Sep	WestJet
29 Sep - 06 Oct	SWISS
30 Sep - 07 Oct	Porter Airlines (Canada) Ltd
28 Sep - 05 Oct	WestJet
27 Sep - 04 Oct	Air Transat

Also check the deals for one-way flights from Montreal to Zanzibar in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Montreal to Zanzibar in September from $1248

Return flights